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Dear all, I am currently facing a serious problem in my extruder system. It's a make shift single screw with a GP screw powered by a 12 HP motor using a belt transmission. It is used to extrude strands of our in-house made glycol modified PET resins. Due to the feedstock material being tacky...

The feedstock material availablility is random and therefore the process is subjected to trial and error whenever new supply comes in. Also due to occasional incomplete meltdown, left over residue in the reactor and random hardness of the feedstock material, it's hard to standardise a recipe...

Thanks compositepro for your post. Your advice makes sense, a major bottleneck is the long time of the reaction and the limited number of ingot molds. Also the puring of molten material into the molds is done using "buckets" which itself takes around 1-2 hours to fill all the molds. Will you...

It's not homework. It's a very gross oversimplification of a problem I am currently going through.

Let's say you are given control over a fairly simple chemical plant manufacturing a resin product. There are no documents or any material which can help you in understanding the process. You deduct the following by just observing the production flow. 1. Workers are loading feedstock material...